Bennett 3000 Series - RS-485 Personality Board

Bennett 3000 Spec 300 Series Instruction Manual Service & Troubleshooting
45
FUSES
There is fuse protection on the 719 CPU for incoming AC voltage and for power traveling throughout the system. The standard glass body
fuses listed below are located on the 719 CPU as shown below.
 F6 – Submerge Pump Control
 F7 – Main Power
 F8 – Lead Acid Backup Battery
 F10 - +24VDC Fuse
REPLACING FUSES
CAUTION: REPLACE FUSES ONLY WITH FUSES OF THE SAME RATING.
If the incoming AC voltage blows a fuse on the board, check for cross phasing. If a cross-phasing condition exits, correct the problem
before replacing the fuse. Troubleshoot the incoming power prior to replacing the fuse.
Fuse
Name
Part Number
Description
F6
Submerge Pump Control
Littelfuse # 0235001 or equivalent
1 Amp, Fast Acting 5mm x 20mm
F7
Main Power
Littelfuse # 02153.15TXP or equivalent
3.15 Amp Fast Acting 5mm x 20mm
F8
Lead Acid Backup Battery
Littelfuse # 0235003.MXP or equivalent
3 Amp, Fast Acting, 5mm x 20mm, 250V
F10
+24VDC Fuse
Littelfuse # 0235003.MXP or equivalent
3 Amp Fast Acting 5mm x 20mm, 250V
F10
(+24VDC Fuse)
F8
(Lead Acid Backup Battery)
F7
(Main Control)
F6
(Submerge Pump Control)